1896566172 has 24 divisors (see below), whose sum is σ = 4685634576. Its totient is φ = 595001088.

The previous prime is 1896566153. The next prime is 1896566173. The reversal of 1896566172 is 2716656981.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1896566173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4648243 + ... + 4648650.

It is an arithmetic number, because the mean of its divisors is an integer number (195234774).

Almost surely, 2^1896566172 is an apocalyptic number.

1896566172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1896566172 is an abundant number, since it is smaller than the sum of its proper divisors (2789068404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1896566172 is a wasteful number, since it uses less digits than its factorization.

1896566172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9296917 (or 9296915 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 1896566172 is about 43549.5829141910. The cubic root of 1896566172 is about 1237.8157375764.

The spelling of 1896566172 in words is "one billion, eight hundred ninety-six million, five hundred sixty-six thousand, one hundred seventy-two".